国家/地区 日本（8） 美国（8） 世界知识产权组织（8） 中国（7） 欧洲专利局（EPO）（6） 韩国（6） 台湾（4） 澳大利亚（3） 加拿大（3） 西班牙（3） 英国（3） 印度（3） 新加坡（3） 香港（2） 以色列（2） 墨西哥（2） 马来西亚（2） 波兰（2） 越南（2） 南非（2）
IPC部 C（8） B（7） H（6）
IPC大类 C01（8）
IPC小类 C01B（8）
IPC C01B032/15（8）
发明人 HASEGAWA S（3） HASEGAWA SHOJI（3） KAMIYA N（3）
KAMIYA NAGISA（3） NAGISA K（2） SHEN Y（2）
SHOJI H（2）
公开年 2015（8）
申请年 2014（4）  2013（2）  2015（2） 
专利权人 GRAPHENE PLA.（3） GRAPHENE PLA.（2）

Graphite-based carbon material used as graphene precursor for preparing graphene dispersion, comprises rhombohedral graphite layer and hexagonal graphite layer, and has specified rate calculated based on X-ray diffraction method.

HASEGAWA S, KAMIYA N, HASEGAWA SHOJI, KAMIYA NAGISA, SHOJI H, NAGISA K, SHEN Y

Graphene composite useful in conductive additive and paste which is useful in electrode for lithium ion batteries, includes a graphene powder and a compound having a structure of pyrazolone.

DU N, WANG J, SUN P, TAMAKI E, KUBOTA Y, MIYAZONO K, KUBOTA, MIYASONO T

Production of graphene involves applying physical force to liquid dispersion of dispersing agent containing polyaromatic hydrocarbon oxide, and carbon-based material comprising graphite, and forming graphite into nano graphene flakes.

SOHN K N, YOO K H, KWON W J, LEE K S, YANG S B, KIM I Y, LEE M J, LEE J Y, SOHN K, YOO K, KWON W, LEE K, YANG S, KIM I, LEE M, LEE J, LI M, LI J

Production of aqueous dispersion of few-layer graphene nanosheets used for coated article, involves mixing graphite particles with perfluorosulfonate ionomer in aqueous liquid, and arranging ionomer as thin and continuous layer.

JULIUS D, ZIN M, DIVIGALPITIYA R, KORBA G A, KIM M

Manufacture of graphene powder used for, e.g. electronic components, involves cleaving raw material containing graphite by jet stream of gas at specific speed, and micronizing.

HASEGAWA SHOJI, KAMIYA NAGISA, HASEGAWA S, KAMIYA N

Energy device used in supercapacitor, consists of paper based substrate having top surface and bottom surface, and graphene oxide and carbon nanotube composite deposited on top surface.

WANG W, GUO S, OZKAN C S, OZKAN M

Synthesizing reduced graphene oxide on a substrate from seedlac, comprises preparing the seedlac solution in alcohol having specified carbons, dipping the substrate into the solution, and heating the substrate which is a metallic sheet.

SHYAM K C, MANISH K B, TAPAN K R, SUMITESH D, RANJAN K S, YASHABANTA N S, ASHIT K P, VIKAS C S, CHOUDHARY S K, BHADU M K, ROUT T K, DAS S, SAHU R K, SINGHBABU Y N, PRAMANICK A K, SRIVASTAVA V C

Graphite-type carbon raw material used as graphene precursor, has rhombohedral system graphite layer and hexagonal system graphite layer in ratio more than preset value, as measured using peak intensities specific planes of layers.

HASEGAWA S, KAMIYA N, SHOJI H, NAGISA K, HASEGAWA SHOJI, KAMIYA NAGISA, SHEN Y